Hi "Joel, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] url: https://github.com/0day-ci/linux/commits/Joel-Fernandes-Google/rcuperf-Add-ability-to-increase-object-allocation-size/20200306-064829 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9f65ed5fe41ce08ed1cb1f6a950f9ec694c142ad config: c6x-allyesconfig (attached as .config) compiler: c6x-elf-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=c6x If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from include/linux/printk.h:7:0, from include/linux/kernel.h:15, from kernel//rcu/rcuperf.c:13: kernel//rcu/rcuperf.c: In function 'kfree_perf_init': include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'unsigned int' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^ include/linux/kern_levels.h:9:20: note: in expansion of macro 'KERN_SOH' #define KERN_ALERT KERN_SOH "1" /* action must be taken immediately */ ^~~~~~~~ >> include/linux/printk.h:300:9: note: in expansion of macro 'KERN_ALERT' printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~ >> kernel//rcu/rcuperf.c:716:2: note: in expansion of macro 'pr_alert' pr_alert("kfree object size=%lu\n", kfree_mult * sizeof(struct kfree_obj)); ^~~~~~~~ kernel//rcu/rcuperf.c:716:32: note: format string is defined here pr_alert("kfree object size=%lu\n", kfree_mult * sizeof(struct kfree_obj)); ~~^ %u -- In file included from include/linux/printk.h:7:0, from include/linux/kernel.h:15, from kernel/rcu/rcuperf.c:13: kernel/rcu/rcuperf.c: In function 'kfree_perf_init': include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'unsigned int' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^ include/linux/kern_levels.h:9:20: note: in expansion of macro 'KERN_SOH' #define KERN_ALERT KERN_SOH "1" /* action must be taken immediately */ ^~~~~~~~ >> include/linux/printk.h:300:9: note: in expansion of macro 'KERN_ALERT' printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~ kernel/rcu/rcuperf.c:716:2: note: in expansion of macro 'pr_alert' pr_alert("kfree object size=%lu\n", kfree_mult * sizeof(struct kfree_obj)); ^~~~~~~~ kernel/rcu/rcuperf.c:716:32: note: format string is defined here pr_alert("kfree object size=%lu\n", kfree_mult * sizeof(struct kfree_obj)); ~~^ %u vim +/pr_alert +716 kernel//rcu/rcuperf.c 698 699 static int __init 700 kfree_perf_init(void) 701 { 702 long i; 703 int firsterr = 0; 704 705 kfree_nrealthreads = compute_real(kfree_nthreads); 706 /* Start up the kthreads. */ 707 if (shutdown) { 708 init_waitqueue_head(&shutdown_wq); 709 firsterr = torture_create_kthread(kfree_perf_shutdown, NULL, 710 shutdown_task); 711 if (firsterr) 712 goto unwind; 713 schedule_timeout_uninterruptible(1); 714 } 715 > 716 pr_alert("kfree object size=%lu\n", kfree_mult * sizeof(struct kfree_obj)); 717 718 kfree_reader_tasks = kcalloc(kfree_nrealthreads, sizeof(kfree_reader_tasks[0]), 719 GFP_KERNEL); 720 if (kfree_reader_tasks == NULL) { 721 firsterr = -ENOMEM; 722 goto unwind; 723 } 724 725 for (i = 0; i < kfree_nrealthreads; i++) { 726 firsterr = torture_create_kthread(kfree_perf_thread, (void *)i, 727 kfree_reader_tasks[i]); 728 if (firsterr) 729 goto unwind; 730 } 731 732 while (atomic_read(&n_kfree_perf_thread_started) < kfree_nrealthreads) 733 schedule_timeout_uninterruptible(1); 734 735 torture_init_end(); 736 return 0; 737 738 unwind: 739 torture_init_end(); 740 kfree_perf_cleanup(); 741 return firsterr; 742 } 743 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip
